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Finding the Fourth Proportional to 29,321.62, 43,982.46 and 7,135.00

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Solution

The fourth proportional to 29,321.62, 43,982.46 and 7,135.00 is: 10,702.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,321.62 : 43,982.46 = 7,135.00 : x
  2. Step 2: Convert to fraction form
    29,321.62/43,982.46 = 7,135.00/x
  3. Step 3: Cross multiply
    29,321.62x = 43,982.46 × 7,135.00
  4. Step 4: Simplify right side
    29,321.62x = 313,814,632.19
  5. Step 5: Solve for x
    x = 313,814,632.19/29,321.62
  6. Step 6: Final answer
    x = 10,702.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.